Package org.apache.cayenne.dba.h2
Class H2Adapter
java.lang.Object
org.apache.cayenne.dba.JdbcAdapter
org.apache.cayenne.dba.h2.H2Adapter
- All Implemented Interfaces:
DbAdapter
DbAdapter implementation for H2
RDBMS . Sample connection settings to use with H2 are shown
below:
postgres.jdbc.username = sa
postgres.jdbc.password =
postgres.jdbc.url = jdbc:h2:cayenne
postgres.jdbc.driver = org.h2.Driver
- Since:
- 3.0
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Field Summary
Fields inherited from class org.apache.cayenne.dba.JdbcAdapter
caseInsensitiveCollations, ejbqlTranslatorFactory, extendedTypes, logger, quotingStrategy, resourceLocator, supportsBatchUpdates, supportsGeneratedKeys, supportsUniqueConstraints, typesHandler -
Constructor Summary
ConstructorsConstructorDescriptionH2Adapter(RuntimeProperties runtimeProperties, List<ExtendedType> defaultExtendedTypes, List<ExtendedType> userExtendedTypes, List<ExtendedTypeFactory> extendedTypeFactories, ResourceLocator resourceLocator, ValueObjectTypeRegistry valueObjectTypeRegistry) -
Method Summary
Modifier and TypeMethodDescriptionbuildAttribute(String name, String typeName, int type, int size, int scale, boolean allowNulls) Creates and returns a DbAttribute based on supplied parameters (usually obtained from database meta data).protected voidInstalls appropriate ExtendedTypes as converters for passing values between JDBC and Java layers.protected EJBQLTranslatorFactoryCreates and returns anEJBQLTranslatorFactoryused to generate visitors for EJBQL to SQL translations.voidcreateTableAppendColumn(StringBuffer sqlBuffer, DbAttribute column) Appends SQL for column creation to CREATE TABLE buffer.Uses JdbcActionBuilder to create the right action.Methods inherited from class org.apache.cayenne.dba.JdbcAdapter
bindParameter, createFkConstraint, createQuotingStrategy, createTable, createTableAppendPKClause, createUniqueConstraint, dropTableStatements, externalTypesForJdbcType, findResource, getBatchTerminator, getEjbqlTranslatorFactory, getExtendedTypes, getJdbcEventLogger, getPkGenerator, getQuotingStrategy, getSelectTranslator, getSystemCatalogs, getSystemSchemas, getType, initExtendedTypes, setEjbqlTranslatorFactory, setPkGenerator, setSupportsBatchUpdates, setSupportsGeneratedKeys, setSupportsUniqueConstraints, sizeAndPrecision, supportsBatchUpdates, supportsCatalogsOnReverseEngineering, supportsGeneratedKeys, supportsUniqueConstraints, tableTypeForTable, tableTypeForView, typeSupportsLength, typeSupportsScale, unwrapMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.cayenne.dba.DbAdapter
supportsGeneratedKeysForBatchInserts
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Constructor Details
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H2Adapter
public H2Adapter(RuntimeProperties runtimeProperties, List<ExtendedType> defaultExtendedTypes, List<ExtendedType> userExtendedTypes, List<ExtendedTypeFactory> extendedTypeFactories, ResourceLocator resourceLocator, ValueObjectTypeRegistry valueObjectTypeRegistry)
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Method Details
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createTableAppendColumn
Description copied from class:JdbcAdapterAppends SQL for column creation to CREATE TABLE buffer.- Specified by:
createTableAppendColumnin interfaceDbAdapter- Overrides:
createTableAppendColumnin classJdbcAdapter- Parameters:
sqlBuffer- theStringBufferto append the column type tocolumn- theDbAttributedefining the column to append type for
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getSqlTreeProcessor
- Specified by:
getSqlTreeProcessorin interfaceDbAdapter- Overrides:
getSqlTreeProcessorin classJdbcAdapter- Returns:
SQLTreeProcessorthat can adjust SQL tree to specific database flavour- Since:
- 4.2
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createEJBQLTranslatorFactory
Description copied from class:JdbcAdapterCreates and returns anEJBQLTranslatorFactoryused to generate visitors for EJBQL to SQL translations. This method should be overriden by subclasses that need to customize EJBQL generation.- Overrides:
createEJBQLTranslatorFactoryin classJdbcAdapter- Returns:
- translator factory for EJBQL queries
- Since:
- 5.0
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getAction
Description copied from class:JdbcAdapterUses JdbcActionBuilder to create the right action.- Specified by:
getActionin interfaceDbAdapter- Overrides:
getActionin classJdbcAdapter
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configureExtendedTypes
Installs appropriate ExtendedTypes as converters for passing values between JDBC and Java layers.- Overrides:
configureExtendedTypesin classJdbcAdapter- Since:
- 4.1.2
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buildAttribute
public DbAttribute buildAttribute(String name, String typeName, int type, int size, int scale, boolean allowNulls) Description copied from interface:DbAdapterCreates and returns a DbAttribute based on supplied parameters (usually obtained from database meta data).- Specified by:
buildAttributein interfaceDbAdapter- Overrides:
buildAttributein classJdbcAdapter- Parameters:
name- database column nametypeName- database specific type name, may be used as a hint to determine the right JDBC type.type- JDBC column typesize- database column size (ignored if less than zero)scale- database column scale, i.e. the number of decimal digits (ignored if less than zero)allowNulls- database column nullable parameter
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